Home / 15,527.10-23,290.64-5,138.84

Finding the Fourth Proportional to 15,527.10, 23,290.64 and 5,138.84

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Solution

The fourth proportional to 15,527.10, 23,290.64 and 5,138.84 is: 7,708.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,527.10 : 23,290.64 = 5,138.84 : x
  2. Step 2: Convert to fraction form
    15,527.10/23,290.64 = 5,138.84/x
  3. Step 3: Cross multiply
    15,527.10x = 23,290.64 × 5,138.84
  4. Step 4: Simplify right side
    15,527.10x = 119,686,872.46
  5. Step 5: Solve for x
    x = 119,686,872.46/15,527.10
  6. Step 6: Final answer
    x = 7,708.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.